Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results

Sato Kaoru, Tomikawa Yoshihiro, Kohma Masashi, Yasui Ryosuke, Koshin Dai, Okui Haruka, Watanabe Shingo, Miyazaki Kazuyuki, Tsutsumi Masaki, Murphy Damian, Meek Chris, Tian Yufang, Ern Manfred, Baumgarten Gerd, Chau Jorge L., Chu Xinzhao, Collins Richard, Espy Patrick J., Hashiguchi Hiroyuki, Kavanagh Andrew J., Latteck Ralph, Luebken Franz-Josef, Milla Marco, Nozawa Satonori, Ogawa Yasunobu, Shiokawa Kazuo, Alexander M. Joan, Nakamura Takuji, Ward William E.

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 128 ( 11 )   2023.6

History of EISCAT - Part 6: the participation of Japan in the EISCAT Scientific Association

Matuura Nobuo, Fujii Ryoichi, Nozawa Satonori

HISTORY OF GEO- AND SPACE SCIENCES   Vol. 14 ( 1 ) page： 61 - 69   2023.5

Identifying gravity waves launched by the Hunga Tonga-Hunga Ha'apai volcanic eruption in mesosphere/lower-thermosphere winds derived from CONDOR and the Nordic Meteor Radar Cluster

Stober Gunter, Liu Alan, Kozlovsky Alexander, Qiao Zishun, Krochin Witali, Shi Guochun, Kero Johan, Tsutsumi Masaki, Gulbrandsen Njal, Nozawa Satonori, Lester Mark, Baumgarten Kathrin, Belova Evgenia, Mitchell Nicholas

ANNALES GEOPHYSICAE   Vol. 41 ( 1 ) page： 197 - 208   2023.4

Significant enhancements of the mesospheric Na layer bottom below 75 km observed by a full-diurnal-cycle lidar at Beijing (40.41 degrees N, 116.01 degrees E), China

Xia Yuan, Jiao Jing, Nozawa Satonori, Cheng Xuewu, Wang Jihong, Shi Chunhua, Du Lifang, Li Yajuan, Zheng Haoran, Li Faquan, Yang Guotao

ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 22 ( 20 ) page： 13817 - 13831   2022.10

Meteor radar vertical wind observation biases and mathematical debiasing strategies including the 3DVAR+DIV algorithm

Stober Gunter, Liu Alan, Kozlovsky Alexander, Qiao Zishun, Kuchar Ales, Jacobi Christoph, Meek Chris, Janches Diego, Liu Guiping, Tsutsumi Masaki, Gulbrandsen Njal, Nozawa Satonori, Lester Mark, Belova Evgenia, Kero Johan, Mitchell Nicholas

ATMOSPHERIC MEASUREMENT TECHNIQUES   Vol. 15 ( 19 ) page： 5769 - 5792   2022.10

An automated auroral detection system using deep learning: real-time operation in Tromso, Norway

Nanjo Sota, Nozawa Satonori, Yamamoto Masaki, Kawabata Tetsuya, Johnsen Magnar G., Tsuda Takuo T., Hosokawa Keisuke

SCIENTIFIC REPORTS   Vol. 12 ( 1 )   2022.5

狭帯域レーザを用いたナトリウムライダーによる中間圏界面の温度・風速計測 Invited Reviewed

川原琢也、野澤悟徳、斎藤徳人、津田卓雄、川端哲也、和田智之

レーザセンシング学会誌   Vol. 3 ( 1 )   2022.4

Atmospheric tomography using the Nordic Meteor Radar Cluster and Chilean Observation Network De Meteor Radars: network details and 3D-Var retrieval

Stober Gunter, Kozlovsky Alexander, Liu Alan, Qiao Zishun, Tsutsumi Masaki, Hall Chris, Nozawa Satonori, Lester Mark, Belova Evgenia, Kero Johan, Espy Patrick J., Hibbins Robert E., Mitchell Nicholas

ATMOSPHERIC MEASUREMENT TECHNIQUES   Vol. 14 ( 10 ) page： 6509 - 6532   2021.10

On the temporal evolution of turbopause altitude, 1996-2021, 70°N, 19°E, Experimental Results Reviewed International coauthorship

Hall, C.M., and S. Nozawa

Experimental Results   Vol. 2   page： 1 - 7   2021.6

Formation of an additional density peak in the bottom side of the sodium layer associated with the passage of multiple mesospheric frontal systems Reviewed International coauthorship

Narayanan Viswanathan Lakshmi, Nozawa Satonori, Oyama Shin-Ichiro, Mann Ingrid, Shiokawa Kazuo, Otsuka Yuichi, Saito Norihito, Wada Satoshi, Kawahara Takuya D., Takahashi Toru

ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 21 ( 4 ) page： 2343 - 2361   2021.2

Statistical study on sporadic sodium layers (SSLs) based on diurnal sodium lidar observations at Beijing, China (40.5 degrees N, 116 degrees E) Reviewed International coauthorship

Xia Yuan, Nozawa Satonori, Jiao Jing, Wang Jihong, Li Faquan, Cheng Xuewu, Yang Yong, Du Lifang, Yang Guotao

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS   Vol. 212   2021.1

OI 630.0-nm and N-2 1PG Emissions in Pulsating Aurora Events Observed by an Optical Spectrograph at Tromso, Norway Reviewed International coauthorship

Tsuda T. T., Li C., Hamada S., Hosokawa K., Oyama S. -I., Nozawa S., Kawabata T., Mizuno A., Kurihara J., Nishiyama T., Kosch M. J.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 125 ( 12 )   2020.12

A Belt-like Distribution of Gaseous Hydrogen Cyanide on Neptune's Equatorial Stratosphere Detected by ALMA Reviewed

Iino Takahiro, Sagawa Hideo, Tsukagoshi Takashi, Nozawa Satonori

ASTROPHYSICAL JOURNAL LETTERS   Vol. 903 ( 1 )   2020.11

共鳴散乱ライダーによる地球超高層領域の金属原子層の観測

津田卓雄, 野澤悟徳, 斎藤徳人, 川原琢也, 川端哲也, 高橋 透、和田智之, 中村卓司, 江尻 省, 西山尚典, 津野 克彦, 阿保 真

レーザー研究   Vol. 48 ( 11 ) page： 580 - 584   2020.11

Climatology of the main (24-h and 12-h) tides observed by meteor radars at Svalbard and Tromso: Comparison with the models CMAM-DAS and WACCM-X Reviewed International coauthorship

Pancheva D., Mukhtarov P., Hall C., Meek C., Tsutsumi M., Pedatella N., Nozawa S., Manson A.

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS   Vol. 207   2020.10

極地から地球環境を計測するためのライダーの開発

和田智之、小川貴代、斎藤徳人、津野克彦、中村卓司、江尻省、野澤悟徳、川端哲也、川原琢也

光技術コンタクト   Vol. 58 ( 7 ) page： 25 - 31   2020.7

Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer Reviewed

Kawamura Yuki, Hosokawa Keisuke, Nozawa Satonori, Ogawa Yasunobu, Kawabata Tetsuya, Oyama Shin-Ichiro, Miyoshi Yoshizumi, Kurita Satoshi, Fujii Ryoichi

EARTH PLANETS AND SPACE   Vol. 72 ( 1 )   2020.7

Development of low-cost multi-wavelength imager system for studies of aurora and airglow Reviewed International coauthorship

Ogawa Y., Tanaka Y., Kadokura A., Hosokawa K., Ebihara Y., Motoba T., Gustaysson B., Brandstrom U., Sato Y., Oyama S., Ozaki M., Raita T., Sigernes F., Nozawa S., Shiokawa K., Kosch M., Kauristie K., Hall C., Suzuki S., Miyoshi Y., Gerrard A., Miyaoka H., Fujii R.

POLAR SCIENCE   Vol. 23   2020.3

High-latitude thermospheric wind study using a Fabry-Perot interferometer at Tromso in Norway: averages and variations during quiet times Reviewed

Xu, H., K. Shiokawa, S. Oyama, and S. Nozawa

Earth, Planets and Space   Vol. 71 ( 1 )   2019.10

Special issue "Recent Advances in MST and EISCAT/Ionospheric Studies - Special Issue of the Joint MST15 and EISCAT18 Meetings, May 2017" PREFACE Invited Reviewed International coauthorship

Yamamoto Mamoru, Hocking Wayne K., Nozawa Satonori, Vierinen Juha, Liu Huixin, Nishitani Nozomu

EARTH PLANETS AND SPACE   Vol. 71 ( 1 )   2019.9

On the long-lasting "C-type" structures in the sodium lidargram: The lifetime of Kelvin-Helmholtz billows in the mesosphere and lower thermosphere region Reviewed International coauthorship

Mondal, S., S. Sarkhel, J. Agarwa, D. Chakrabarty, R. Sekar, T. Yuan, X. Cai, A. Lu, S. Nozawa, N. Saito, T. Kawahara, M. Mlynczak, J. Russell, III

Journal of Geophysical Research - Space Physics   Vol. 124 ( 4 ) page： 3110 - 3124   2019.4

Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromso using dynasonde data

Tsuda T. T., Rietveld M. T., Kosch M. J., Oyama S., Ogawa Y., Hosokawa K., Nozawa S., Kawabata T., Mizuno A.

EARTH PLANETS AND SPACE   Vol. 70   2018.6

Survey of conditions for artificial aurora experiments at EISCAT Tromso using dynasonde data

Tsuda T. T., Rietveld M. T., Kosch M. J., Oyama S., Hosokawa K., Nozawa S., Kawabata T., Mizuno A., Ogawa Y.

EARTH PLANETS AND SPACE   Vol. 70   2018.3

Evaluation of a method to derive ionospheric conductivities using two auroral emissions (428 and 630 nm) measured with a photometer at Tromso (69.6 degrees N)

Adachi Kazuhiro, Nozawa Satonori, Ogawa Yasunobu, Brekke Asgeir, Hall Chris, Fujii Ryoichi

EARTH PLANETS AND SPACE   Vol. 69   2017.7

Sodium temperature/wind lidar based on laser-diode-pumped Nd:YAG lasers deployed at Tromso, Norway (69.6°N, 19.2°E)

Kawahara, TD; Nozawa, S; Saito, N; Kawabata, T; Tsuda, TT; Wada, S

OPTICS EXPRESS   Vol. 25 ( 12 ) page： A491 - A501   2017.6

Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon

Nakamura Y., Shiokawa K., Otsuka Y., Oyama S., Nozawa S., Komolmis T., Komonjida S., Neudegg Dave, Yuile Colin, Meriwether J., Shinagawa H., Jin H.

EARTH PLANETS AND SPACE   Vol. 69   2017.4

Sodium temperature/wind LIDAR based on laser-diode-pumped Nd:Yag lasers deployed at Tromsø, Norway (69.6°, 19.2°) Reviewed

Kawahara, T.D., S. Nozawa, N. Saito, T, Kawabata, T.T. Tsuda, and S. Wada,

Optics Express   Vol. 25 ( 12 ) page： A491-A501   2017.4

Depletion of mesospheric sodium during extended period of pulsating aurora

Takahashi T., Hosokawa K., Nozawa S., Tsuda T. T., Ogawa Y., Tsutsumi M., Hiraki Y., Fujiwara H., Kawahara T. D., Saito N., Wada S., Kawabata T., Hall C.

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS   Vol. 122 ( 1 ) page： 1212-1220   2017

A proposal on the study of solar-terrestrial coupling processes with atmospheric radars and  ground-based observation network Reviewed

Tsuda, T., M. Yamamoto, H. Hashiguchi, K. Shiokawa, Y. Ogawa, S. Nozawa, H. Miyaoka, and A. Yoshikawa

Radio Sci.   Vol. 51 ( 9 ) page： 1587-1599   2016.7

Change in turbopause altitude at 52 and 70 deg N Reviewed

Hall, C. M., S. E. Holmen, C. E. Meek, A. H. Manson, and S. Nozawa

Atmos. Chem. Phys.   Vol. 16   page： 2299-2308   2016.2

A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Tromsø, Norway Reviewed

Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, M. Tsutsumi, Y. Ogawa, S. Oyama, T. Takahashi, M. K. Ejiri, T. Nishiyama, T. Nakamura, and A. Brekke

Geophys. Res. Lett.   Vol. 42   page： 9190-9196   2015.11

A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6°N) during a night of high auroral activity Reviewed

Takahashi, T., S. Nozawa, T. T. Tsuda, Y. Ogawa, N. Saito, T. Hidemori, T. D. Kawahara, C. Hall, H. Fujiwara, N. Matuura, A. Brekke, M. Tsutsumi, S. Wada, T. Kawabata, S. Oyama, and R. Fujii

Ann. Geophys.   Vol. 33   page： 941-953   2015.8

Statistical study of auroral fragmentation into patches Reviewed

Hashimoto A., K. Shiokawa, Y. Otsuka, S.-I. Oyama, S. Nozawa, T. Hori, M. Lester, and M. Johnsen

J. Geophys. Res.   Vol. 120   page： 6207-6217   2015.7

Mesospheric and thermospheric observations of the January 2010 stratospheric warming event Reviewed

Wu, Q. and S. Nozawa

Journal of Atmospheric and Solar-Terrestrial Physics   Vol. 123   page： 22-38   2015.2

A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data Reviewed

Takahashi, T., S. Nozawa, M. Tsutsumi, C. Hall, S. Suzuki, T. T. Tsuda, T. D. Kawahara, N. Saito, S. Oyama, S. Wada, T. Kawabata, H. Fujiwara, A. Brekke, A. Manson, C. Meek, and R. Fujii

Ann. Geophys.   Vol. 32   page： 1195-1205   2014.10

Auroral fragmentation into patches Reviewed

Shiokawa, K., A. Hashimoto, T. Hori, K. Sakaguchi, Y. Ogawa, E. Donovan, E. Spanswick, M. Connors, Y. Otsuka, S.-I. Oyama, S. Nozawa, K. McWilliams

J. Geophys. Res.   Vol. 119   page： 8249-8261   2014.9

Extreme ion heating in the dayside ionosphere in response to arrival of a coronal mass ejection on March 12, 2012 Reviewed

Fujiwara, H., S. Nozawa, Y. Ogawa, R. Kataoka, Y. Miyoshi, H. Jin, and H. Shinagawa

Ann. Geophys.   Vol. 32   page： 831-839   2014.7

Upper Atmosphere cooling over the past 33 years Invited Reviewed

Ogawa, Y., T. Motoba, S. C. Buchert, I. Häggström and S. Nozawa

Geophys. Res. Lett.   Vol. 41   page： 5629-5635   2014.7

Variations of the neutral temperature and sodium density between 80 and 107 km above Tromso during the winter of 2010-2011 by a new solid state sodium LIDAR Reviewed

Nozawa, S., T. D. Kawahara, N. Saito, C. M. Hall, T. T. Tsuda, T. Kawabata, S. Wada, A. Brekke, T. Takahashi, H. Fujiwara, Y. Ogawa, and R. Fujii

Journal of Geophysical Research   Vol. 119 ( 1 ) page： 441-451   2014.1

Relationship between auroral substorm and ion upflow in the nightsidem polar ionosphere Reviewed

Ogawa, Y., M. Sawatsubashi, S. C. Buchert, K. Hosokawa, S. Taguchi, S. Nozawa, S. Oyama, T. T. Tsuda, and R. Fujii

J. Geophys. Res.   Vol. 118   page： 7426-7437   2013.11

Estimation of the layered ionospheric conductance using data from a multi-wavelength photometer at the European Incoherent Scatter (EISCAT) radar site Reviewed

Oyama, S., T. Watanabe, R. Fujii, S. Nozawa, and T. T. Tsuda

Antarctic Record   Vol. 57 ( 3 ) page： 339-356   2013.11

Decrease in sodium density observed during auroral particle precipitation over Tromsø Reviewed

Tsuda, T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, Y. Ogawa, S. Oyama, C. M. Hall, M. Tsutsumi, M. K. Ejiri, S. Suzuki, T. Takahashi, T. Nakamura

Geophys. Res. Lett.   Vol. 40   page： 4486-4490   2013.8

Field-Aligned Current Loop Model on Formation of Sporadic Metal Layers, Reviewed

Matuura, N., T. Tsuda, and S. Nozawa

J. Geophys. Res.   Vol. 118   2013.6

Observation of nighttime medium-scale travelling ionospheric disturbances by two 630-nm airglow imagers near the auroral zone Reviewed

Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama, S. Nozawa, S. Suzuki, and M. Connor

  Vol. 103   page： 184-194   2013.4

Development of low-cost sky-scanning Fabry-Perot interferometers for airglow and auroral studies Reviewed

Shiokawa, K., Y. Otsuka, S. Oyama, S. Nozawa, M. Satoh, Y. Katoh, Y. Hamaguchi, Y. Yamamoto and J. Meriwether

Earth Planets Space   Vol. 64   page： 1033-1046   2012.11

Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening Reviewed

Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama, and S. Nozawa

Journal of Geophysical Research   Vol. 117 ( A10 ) page： 2012JA017928   2012.10

Mean winds, tides, and quasi-2 day waves above Bear Island Reviewed

Nozawa, S., C.M. Hall, M. Tsutsumi, A. Brekke, Y. Ogawa, T. T. Tsuda, S. Oyama, R. Fujii

JASTP   Vol. 90-91   page： 26-44   2012.5

Velocity of E-region HF echoes under strongly-driven electrojet conditions Reviewed

Gorin, J. D., A. V. Koustov1, R. A. Makarevich2, J.-P. St.-Maurice1, and S. Nozawa

Ann. Geophys.   Vol. 30   page： 235-250   2012.1

Fine structure of sporadic sodium layer observed with a sodium lidar at Tromsoe, Norway Reviewed

Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, S. Oyama, Y. Ogawa, S. Suzuki, T. Ogawa, T. Takahashi, H. Fujiwara, R. Fujii, N. Matuura, and A. Brekke

Geophys. Res. Lett.   Vol. 38   2011.9

Angular dependence of pump-induced bottom- and top-side ionospheric plasma turbulence at EISCAT Reviewed

Kosch, M., E. Mjolhus, M. Ashrafi, M. Rietveld, T. Yeoman, S. Nozawa

J. Geophys. Res.   Vol. 116   2011.3

Meso-scale observations of Joule heating near an auroral arc and ion-neutral collision frequency in the polar cap E-region Reviewed

Kosch, M., Ho-Ching Iris Yiu, Callum Anderson, Takuo Tsuda, Yasunobu Ogawa, Satonori Nozawa, Anasuya Aruliah, Victoria Howells, Lisa Baddeley, Ian McCrea, James Wild

J. Geophys. Res.   Vol. 116   2011.3

On the statistical relation between ion upflow and naturally enhanced ion-acoustic lines observed with the EISCAT Svalbard radar Reviewed

Ogawa, Y., S. C. Buchert, I. Haggstrom, M. T. Rietveld, R. Fujii, S. Nozawa, and H. Miyaoka

J. Geophys. Res.   Vol. 116   2011.3

Horizontal structure of sporadic E layer observed with a rocket-borne magnesium ion imager Reviewed

Kurihara, J., Y. Koizumi-Kurihara, N. Iwagami, T. Suzuki, A. Kumamoto, T. Ono, M. Nakamura, M. Ishii, A. Matsuoka, K. Ishisaka, T. Abe, and S. Nozawa

J. Geophys. Res.   Vol. 115 ( A12318 ) page： 10.1029/2009JA014926   2010.12

An analysis of pump-induced artificial ionospheric ion upwelling at EISCAT Reviewed

Kosch, M., Y. Ogawa, M. Rietveld, S. Nozawa, and R. Fujii

J. Geophys. Res.   Vol. 115 ( A12317 ) page： 10.1029/2010JA015854   2010.12

Lower-thermospheric wind fluctuations measured with an FPI in pulsating aurora at Tromsoe Reviewed

Oyama, S., K. Shiokawa, J. Kurihara, T. T. Tsuda, S. Nozawa, Y. Ogawa, Y. Otsuka, and B. J. Watkins

Ann. Geophys.   Vol. 28 ( 10 ) page： 1847-1857   2010.10

Tidal waves in the polar lower thermosphere using the EISCAT long run data set obtained in September 2005 Reviewed

Nozawa, S, Y. Ogawa, S. Oyama, H. Fujiwara, T. Tsuda, A. Brekke, C. Hall , Y. Murayama, S. Kawamura, H. Miyaoka, and R. Fujii

J. Geophys. Res.   Vol. 115   2010.8

Solar activity dependence of ion upflow in the polar ionosphere observed with the EISCAT Tromsø UHF radar Reviewed

Ogawa, Y., S. C. Buchert, A. Sakurai, S. Nozawa, R. Fujii

J. Geophys. Res.,   Vol. 115   page： doi:10.1029/2009JA014766   2010.7

Links between a stratospheric sudden warming and thermal structures and dynamics in the high-latitude mesosphere, lower thermosphere Reviewed

Kurihara, J., Y. Ogawa, S. Oyama, S. Nozawa, M. Tsutsumi, C. M. Hall, Y. Tomikawa, and R. Fujii

Geophys. Res. Lett.   Vol. 37 ( L13806 ) page： doi:10.1029/2010GL043643   2010.7

Temperature enhancements and vertical winds in the lower thermosphere associated with auroral heating during the Dynamics and Energetics of the Lower Thermosphere in Aurora (DELTA) campaign Reviewed

Kurihara, J., S. Oyama , S. Nozawa , T. Tsuda , R. Fujii , Y. Ogawa , H. Miyaoka , N. Iwagami , T. Abe , K.-I. Oyama , M. Kosch , A.L. Aruliah , E. Griffin , K. Kauristie

J. Geophys. Res.   Vol. 114   page： A12306, doi:10.1029/2009JA014392   2009.12

On the source of the polar wind in the polar topside ionosphere: First results from the EISCAT Svalbard radar Reviewed

Ogawa, Y., I. Häggström, S. C. Buchert, K. Oksavik, S. Nozawa, M. Hirahara, A. P. van Eyken, T. Aso, and R. Fujii

Geophysical Research letters   Vol. 36   page： L24103, doi:10.1029/2009GL041501   2009.12

Ion heating in high-speed flow channel within the duskside cell of the polar-cap ion convection under large IMF-By Reviewed

Maeda, S, Y. Ogawa, K. Hosokawa, S. Nozawa, S. Oyama, T. Tsuda, and A. Brekke

J. Geophys. Res   Vol. 114   page： 10.1029/2009JA014300   2009.11

Relations between proton auroras, intense electric field, and ionospheric electron density depletion Reviewed

Fujii, R., Y. Iwata, S. Oyama, S. Nozawa, and Y. Ogawa

J. Geophys. Res.   Vol. 114   page： 10.1029/2009JA014319   2009.9

Spatial evolution of frictional heating and the predicted thermospheric wind effects in the vicinity of an auroral arc measured with the Sondrestrom incoherent-scatter radar and the Reimei satellite Reviewed

Oyama, S., T. T. Tsuda, T. Sakanoi, Y. Obuchi, K. Asamura, M. Hirahara, A. Yamazaki, Y. Kasaba, R. Fujii, S. Nozawa, and B. J. Watkins

J. Geophys. Res   Vol. 114   page： 10.1029/2009JA014091   2009.7

Characteristics of ion upflow and downflow observed with the European Incoherent Scatter Svalbard radar Reviewed

Ogawa, Y. S. C. Buchert, R. Fujii, S. Nozawa, and A. P. van Eyken

J. Geophys. Res.   Vol. 114   page： 10.1029/2008JA013817   2009.5

*Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere Reviewed

Tsuda, T. T., Satonori Nozawa , Shin Oyama , Tetsuo Motoba , Yasunobu Ogawa , Hiroyuki Shinagawa , Nozomu Nishitani , Keisuke Hosokawa , Natsuo Sato , Mark Lester , Ryoichi Fujii

J. Geophys. Res.   Vol. 114   page： doi:10.1029/2008JA013867   2009.4

Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions Reviewed

Ogawa, Y., K. Seki, M. Hirahara, K. Asamura, T. Sakanoi, S. C. Buchert, Y. Ebihara, Y. Obuchi, A. Yamazaki, I. Sandahl, S. Nozawa, and R. Fujii

J. Geophys. Research   Vol. 113   page： doi:10.1029/2007JA012791   2008

Turbopause determination, climatology and climatic trends, using medium frequency radars at 52º and 70ºN Reviewed

Hall, C., C. Meek, A. Manson, S. Nozawa

J. Geophys. Research   Vol. 113   page： doi:10.1029/2008JD009938   2008

The Pedersen current carried by electrons: A non-linear response of the ionosphere to magnetospheric forcing Reviewed

Buchert, S., T. Tsuda, R. Fujii, and S. Nozawa

Annales Geophysicae   Vol. 26   page： 2837–2844   2008

Generation of the lower-thermospheric vertical wind estimated with the EISCAT KST radar at high latitudes during periods of moderate geomagnetic disturbance, Reviewed

Oyama, S.m B. J. Watkins, S. Maeda, H. Shinagawa, S. Nozawa, Y. Ogawa, A. Brekke, C. Lathuillere, and W. Kofman

Annales Geophysicae   Vol. 26   page： 1491-1505   2008

Mesospheric turbulence during PMWE-conducive conditions Reviewed

C. M. Hall, A. H. Manson, C. E. Meek, and S. Nozawa

Atmos. Chem. Phys. Discuss   Vol. 7   page： 7035-7049   2007.5

*An ion drag contribution to the lower thermospheric wind in the summer polar region Reviewed

Tsuda, T. T. , S. Nozawa, A. Brekke, Y. Ogawa, T. Motoba, R. Roble, and R. Fujii

J. Geophys. Res   Vol. 112   page： A06319, doi:10.1029/2006JA011785   2007

Electromagnetic energy deposition rate in the polar upper thermosphere derived from the EISCAT Svalbard radar and CUTLASS Finland radar observations Reviewed

Fujiwara, H., R. Kataoka, M. Suzuki, S. Maeda, S. Nozawa, K. Hosokawa,H. Fukunishi, N. Sato, and M. Lester

Annales Geophysicae   Vol. 25   page： 2393-2403   2007

Trends in mesospheric turbulence at 70°N Reviewed

Hall, C.M., A. Brekke, A. H. Manson, C. E. Meek, S. Nozawa

Atmospheric Science Letters   Vol. 8   page： 80-84   2007

EISCAT observational results during the DELTA campaign Reviewed

Nozawa, S., Y. Ogawa, A. Brekke, T. Tsuda, C. M. Hall, H. Miyaoka, J. Kurihara, T. Abe, and R. Fujii

Earth Plannets Sci.   Vol. 58   page： 1183-1192   2006

Naturally enhanced ion-acoustic lines at high altitudes Reviewed

Ogawa, Y. , S.C. Buchert, R. Fujii, S. Nozawa, and F. Forme

Annales Geophysicae   Vol. 24   page： 3351-3364   2006

Isolated lower mesospheric echoes seen by medium frequency radar at 70 deg N, 19 deg E Reviewed

Hall, C. M., A. H. Manson, C. E. Meek, and S. Nozawa

Atmos. Chem. Phys.   Vol. 6   page： 5307-5314   2006

STARE velocity at large flow angles: is it related to the ion acoustic speed? Reviewed

Uspensky, M. V., A. V. Koustov, and S. Nozawa

Ann. Geophys.   Vol. 24   page： 873-885   2006

Dynamics and energetics in the lower thermosphere in aurora (DELTA) - Japanese sounding rocket campaign Reviewed

Abe, T., J. Kurihara, N. Iwagami, S. Nozawa, S., Y. Ogawa, R. Fujii, H. Hayakawa, and K. Oyama

Earth Plannets Sci.   Vol. 58   page： 1161-1171   2006

Tidal signatures in mesospheric turbulence Reviewed

Hall, C., S. Nozawa, A. Manson, C. Meek

Ann. Geophisicae   Vol. 24   page： 453-465   2006

A comparison of meteor and medium frequency radar kilometer scale MLT dynamics at 70N Reviewed

Hall, C.M., T. Aso, M. Tsutsumi, S. Nozawa, C. E. Meek and A.H. Manson

J. Atm. Sol-Terr. Phys.   Vol. 68   page： 309-316   2006

Comparative study of the high-latitude E-region ion and neutral temperatures in the polar cap and the auroral region derived from the EISCAT radar observations Reviewed

Maeda, S., S. Nozawa, H. Fujiwara, and Y. Ogawa

J. Geophys. Res.   Vol. 110 ( A08301 ) page： 10.1029/2004JA010893   2005

Mean winds, tides and quasi-2 day wave in the polar lower thermosphere observed in EISCAT eight day run data in November 2003 Reviewed

Nozawa, S., A. Brekke, S. Maeda, T. Aso, C. Hall, Y. Ogawa, S. Buchert, J. Roettger, A. Richmond, R. Roble, and R. Fujii

J. Geophys. Res.   Vol. 110   page： A12309, doi:10.1029/2005JA0011128   2005

Statistical height-dependent relative importance of the Lorentz force and Joule heating in generating atmospheric gravity waves in the auroral electrojets Reviewed

Yuan, Zhigang, Ryoichi Fujii, Satonori Nozawa, Y. Ogawa

J. Geophys. Res.   Vol. 110   page： A12303,doi:10.1029/2005JA011315   2005

Testing the hypothesis of neutral turbulence on the deduction of ambipolar diffusivities from meteor trail expansion Reviewed

Hall, C. M., T. Aso, M. Tsutsumi , S. Nozawa, A.H. Manson, and C.E. Meek

Ann. Geophisicae Letter   Vol. 23   page： 1071-1073   2005

Vertical ion motions observed with incoherent-scatter radars in the polar lower ionosphere Reviewed

Oyama, S., B. J. Watkins, S. Nozawa, S. Maeda, and M. Conde

J. Geophys. Res   Vol. 110   page： A04302, doi:10.1029/2004JA010705   2005

A comparison of MLT neutral winds as determined by meteor and medium frequency radar at 70°N Reviewed

Hall, C.M., T. Aso, M. Tsutsumi, S. Nozawa, A.H. Manson and C.E. Meek

Radio Sci.   Vol. 40   page： RS4001, doi:10.1029/2004RS003102   2005

Arctic and Antarctic polar mesosphere summer echoes observed with oblique incidence HF radars: Analysis using simultaneous MF and VHF radar data Reviewed

Ogawa, T., S. Nozawa, M. Tsutsumi, N. F. Arnold, N. Nishitani, N. Sato, and A. S. Yukimatu

Ann. Geophysi.   Vol. 22 ( 12 ) page： 4,049-4,059   2004.12

Monthly mean climatology of the prevailing winds and tides in the Arctic mesosphere/lower thermosphere Reviewed

Portnyagin Y. I. , T. V. Solovjova, N. A. Makarov, E. G. Merzlyakov, A. H. Manson, C. E. Meek, W. Hocking, N. Mitchell, D. Pancheva, P. Hoffmann, W. Singer, Y. Murayama, K. Igarashi, J. M. Forbes, S. Palo, C. Hall, S. Nozawa

Ann. Geophys.   Vol. 22   page： 3395-3410   2004

Estimates of electromagnetic and turbulent energy dissipation rates under the existence of strong wind shears in the polar lower thermosphere from the EISCAT Svalbard radar observations Reviewed

Fujiwara, H., S. Maeda, M. Suzuki, S. Nozawa, and H. Fukunishi

Journal of Geophysical Research   Vol. 109   page： A07306, doi:10.1029/2003JA010046   2004

MESOPAUSE DYNAMICS FROM THE SCANDINAVIAN TRIANGLE OF RADARS WITHIN THE PSMOS-DATAR PROJECT Reviewed

Manson, A. H., C.E. Meek, C.M. Hall, S. Nozawa, N.J. Mitchell, D. Pancheva, W. Singer, and P. Hoffmann

Ann. Geophysi.   Vol. 22   page： 367-386   2004

STARE Velocities: Importance of Off-Orthogonality and Ion Motions Reviewed

Uspensky, M., A. Koustov, P. Janhunen, R. Pellinen, D. Danskin, and S. Nozawa

Ann. Geophysi.   Vol. 21   page： 729-743   2003

Periodicities in energy dissipation rates in the auroral mesosphere / lower thermosphere Reviewed

Hall, C.M, S. Nozawa, C. E. Meek, A. H. Manson, and Yi Luo

Ann. Geophysi.   Vol. 21   page： 787-796   2003

Simultaneous ESR and DMSP observations of ion upflow in the dayside polar ionosphere Reviewed

Ogawa, Y., R. Fujii, S. C. Buchert, S. Nozawa, and S. Ohtani

J. Geophys. Res.   Vol. 108   page： 10.1029/2002JA009590, SIA 1-1 － 1-10   2003

Observations of mesospheric neutral wind 12-hour wave in the Northern Polar Cap Reviewed

Wu, Q., T. K. Kileen, S. Nozawa, D. McEwen, W. Guo, and S. C. Solomon

J. Atm. Sol-Terr. Phys.   Vol. 65   page： 971-978   2003

Field-aligned ion motions in the E-F transition region: 1. Mean characteristics Reviewed

Oyama, S., S. Nozawa, S. Maeda, Y. Murayama, R. Fujii, and H. Shinagawa

J. Geophys. Res.   Vol. 108   page： 10,1029/2003JA009830   2003

High latitude mesospheric mean winds: a comparison between Troms? (69°N) and Svalbard (78°N) Reviewed

Hall, C. M., T. Aso, A.H. Manson, C.E. Meek, S. Nozawa, and M. Tsutsumi

J. Geophys. Res.   Vol. 108   page： 10.1029/2003JD003509   2003

Thermospheric and ionosphric dynamics in the auroral region Reviewed

Shinagawa, H., S. Oyama, S. Nozawa, S. C. Buchert, R. Fujii, and M. Ishii

Advances in Space Research   Vol. 31   page： 951-956   2003

*The quasi 2-day wave observed in the polar mesosphere (2): Comparison of the characteristics observed at Tromsoe and Poker-Flat Reviewed

Nozawa, S., H. Iwahashi, A. Brekke, C. Hall, C. Meek, A. Manson, S. Oyama, Y. Murayama and R. Fujii

Journal of Geophysical Research   Vol. 108   page： 101029/2002JD003221   2003

*The quasi 2-day wave observed in the polar mesosphere Reviewed

Nozawa, S., S. Imaida, A. Brekke, C Hall, A Manson, C. Meek, S. Oyama, K. Dobashi, and R. Fujii

Journal of Geophysical Research   Vol. 108   page： 10.1029/2002JD002440, ACL 3-1 - 3-12   2003

On the response of upper homosphere turbulence to solar and geomagnetic disturbances Reviewed

Hall, C. M., S. Nozawa, C. E. Meek, and A. H. Manson

Earth Plannets Sci.   Vol. 54   page： 699-705   2002

Field-aligned currents and ionospheric parameters deduced from EISCAT radar measurements in the post-midnight sector Reviewed

Sugino, M., R. Fujii, S. Nozawa, T. Nagatsuma, S. C. Buchert , J. W. Gjerloev, and M. J. Kosch

Ann. Geophysicae   Vol. 20   page： 1335-1348   2002

On the factors controlling the power of F-region coherent echoes Reviewed

Danskin, D. W., A.V. Koustov, T. Ogawa, N. Nishitani, S. Nozawa, S. E. Milan, M. Lester, and D. Andre

Ann. Geophysicae   Vol. 20   page： 1385-1397   2002

Ion and neutral temperature distributions in the dayside lower E-region observed by the EISCAT Troms? and Svalbard radars Reviewed

Maeda, S., S. Nozawa, M. Sugino, H. Fujiwara and M. Suzuki

Ann. Geophysicae   Vol. 20   page： 1415-1427   2002

Field-aligned ion motions in the E and F regions Reviewed

Fujii, R, S. Oyama, S. C. Buchert, S. Nozawa, and N. Matuura

Journal of Geophysical Research   Vol. 107   page： 10.129/2001JA900148   2002

Velocities of auroral coherent echoes at 12 and 144 MHz Reviewed

Koustov, A.V, D.W. Danskin, M. V. Uspensky, T. Ogawa, P. Janhunen, N. Nishitani, S. Nozawa, M. Lester, and S. Milan

Annales Geophysicae   Vol. 20   page： 1647-1661   2002

A comparison study of the auroral lower thermospheric neutral winds derived by the EISCAT UHF radar and Tromsoe medium frequency radar Reviewed

Nozawa, S. A. Brekke, A. Manson, C. Hall, C. Meek, K. Morise, S. Oyama, K. Dobashi, and R. Fujii

Journal of Geophysical Research   Vol. 107   page： 10.1029/2000JA007581, SIA 29-1 - SIA29-20   2002

Relative contribution of the ionospheric conductivity and the electric field to the ionospheric current Reviewed

Sugino, M., R. Fujii, S. Nozawa, St. C. Buchert, H. J. Opgenoorth

Journal of Geophysical Research   Vol. 107   page： 10.1029/2001JA007545, SIA20-1 - 20-15   2002

Observations of isotropic electron temperature in the turbulent E region Reviewed

Saito, S., S. C. Buchert, S. Nozawa and R. Fujii

Annales de Geophysique   Vol. 19   page： 11-15   2001

Higher latitude Pi3 pulsations observed by the EISCAT VHF radar Reviewed

Nagatsuma, T., S. Nozawa, S. C. Buchert, and R. Fujii

Advances in Space Research   Vol. 27 ( 8 ) page： 1429-1431   2001

Effects of auroral arcs on the generation of gravity waves in the auroral F region Reviewed

Oyama, S., H. Shinagawa, S. C. Buchert, R. Fujii, S. Nozawa, M. Ishii, Y. Murayama and W. Kofman

Advances in Space Research   Vol. 27 ( 10 ) page： 1767-1772   2001

Comparison of the auroral E region neutral winds derived with the European Incoherent Scatter radar and predicted by the National Center for Atmospheric Research Thermosphere-Ionosphere-Mesosphere-Electrodynamics general circulation model(共著) Reviewed

Nozawa, S., H.-L. Liu, A.D. Richmond, and R. Roble

Journal of Geophysical Research   Vol. 106   page： 24,691-24,700   2001

Generation of atmospheric gravity waves associated with auroral activity in the polar F-region Reviewed

Oyama, S., M. Ishii, Y. Murayama, H. Shinagawa, S. Nozawa, S. C. Buchert, R. Fujii, W. Kofman

Journal of Geophysical Research   Vol. 106   page： 18543-18554   2001

Determination of turbulent energy dissipation rate directly from MF-radar determined velocity Reviewed

Hall, C., S. Nozawa, A. Mansan and C. Meek

Earth Plannets Science   Vol. 52   page： 137-141   2000

Simultaneous EISCAT Svalbard and VHF radar observations of ion upflows at different aspect angles Reviewed

Ogawa, Y., R. Fujii, S. C. Buchert, S. Nozawa, S. Watanabe, and A. P. van Eyken

Geophysical Research Letters   Vol. 27   page： 81-84   2000

Effects of a kappa distribution function of electrons on incoherent scatter spectra Reviewed

Saito, S., F.R.E. Forme, S. C. Buchert, S. Nozawa and R. Fujii

Annales de Geophysique   Vol. 18   page： 1216-1223   2000

Combined EISCAT and Fabry-Perot Interferometer Measurements of Ionospheric-Thermosphericcoupling Reviewed

Cierpka, K., M. J. Kosch, S. Nozawa, K. Schlegel, A. Kohsiek, and T. Hagfors

Physics and Chemistry of the Earth   Vol. 25   page： 563-566   2000

Effects of atmospheric oscillations on the field-aligned ion motions in the polar F-region Reviewed

Oyama, S., S. Nozawa, S. C. Buchert, M. Ishii, S. Watari, E. Sagawa, W. Kofman, J. Lilensten, and R. Fujii

Annales de Geophysique   Vol. 18   page： 1154-1163   2000

A case study of the auroral E region neutral wind on a quiet summer day: Comparison of three methods of the EISCAT UHF radar for deriving the E region wind Reviewed

Nozawa, S. and A. Brekke

Radio Science   Vol. 35   page： 845-863   2000

Coordinated Akebono and EISCAT observations of suprathermal ion outflows in the nightside inverted-V region Reviewed

Yoshida, N., S. Watanabe, H. Fukunishi, T. Sakanoi, T. Abe, T. Mukai, H. Hayakawa, A. Matsuoka, Y. Kasahara, R. Fujii, S. Nozawa, Y. Ogawa, and M. Sugino

Journal of Atmospheric and Terrestrial Physics   Vol. 62   page： 449-465   2000

Ion outflow and inflow at the topside ionosphere observed by the EISCAT VHF radar Reviewed

Endo, M., R. Fujii, Y. Ogawa, S. C. Buchert, S. Nozawa, S. Watanabe, and N. Yoshida

Annales de Geophysique   Vol. 18   page： 170-181   2000

Energy coupling between the magnetosphere, ionosphere and thermosphere Reviewed

Fujii, R., S. Nozawa, S. C. Buchert, and A. Brekke

Advances in Space Research   Vol. 25 ( 1 ) page： 213-218   2000

A comparison of thermospheric winds and temperatures from Fabry-Perot interferometer and EISCAT radar measurements with models Reviewed

Kosch, M. J., M. Ishii, S. Nozawa, D. Rees, K. Cierpka, A. Kohsiek, K. Schlegel, R. Fujii, T. Hagfors, T. J. Fuller-Rowell and C. Lathuillere

Advances in Space Research   Vol. 26 ( 6 ) page： 979-984   2000

Seasonal variation of the auroral E-region neutral wind for defferent solar activities Reviewed

Nozawa, S. and and A. Brekke

J. Atoms. Solar-Terr. Phys.   Vol. 61   page： 585-605   1999

Studies of the auroral E-region neutral wind through a solar cycle: Quiet days Reviewed

Nozawa, S. and A. Brekke

Journal of Geophysical Research   Vol. 104   page： 45-66   1999

Dynamics of Neutral Wind in the polar region observed with two Fabry-Perot Interferometers Reviewed

Ishii, M., S. Oyama, S. Nozawa, R. Fujii, E. Sagawa, S. Watari, and H. Shinagawa

Earth Plannets Science   Vol. 51   page： 833-844   1999

Statistical characteristics on electromagnetic energy transfer between the magnetosphere the ionosphere, and the thermosphere Reviewed

Fujii, R., S. Nozawa, S. C. Buchert, N. Matuura, and A. Brekke

Journal of Geophysical Research   Vol. 104   page： 2357-2365   1999

Dayside neutral winds in high-latitude lower thermosphere during geomagnetically quiet summer days Reviewed

Maeda, S., H Fujiwara, and S. Nozawa

Journal of Geophysical Research   Vol. 104   page： 19,871-19,879   1999

Study on neutral wind contribution to the electrodynamics in the polar ionosphere using EISCAT CP-1 data Reviewed

Fujii, R., S. Nozawa, N. Matuura, and A. Brekke

Journal of Geophysical Research   Vol. 103   page： 14731-14739   1998

Daytime Ionospheric Absorption Features in the Polar Cap Associated with Poleward Drifting F-region Plasma Patches Reviewed

Nishino, M., S. Nozawa and J. A. Holtet

Earth Plannets Science   Vol. 50   page： 107-117   1998

The motion of ions in the aruraol ionosphere Reviewed

Fujii, R., S. Nozawa, S.C. Buchert, N. Matuura, and A. Brekke

Journal of Geophysical Research   Vol. 103   page： 20,685-20,695   1998

Studies of the E-region neutral wind in the auroral ionosphere using two long-run data Reviewed

Nozawa, S., A. Brekke and R. Fujii

J. Geomag. Geoelectr.   Vol. 49   page： 641-673   1997

Studies of the E region neutral wind in the disturbed auroral ionosphere Reviewed

Nozawa, S. and A. Brekke

Journal of Geophysical Research   Vol. 100   page： 14,717-14,734   1995

Comparison of electron spectra calculated from EISCAT electron density protiles with those observed by DMSP satellites Reviewed

Fujii, R., S. Nozawa, M. Sato, N. Matuura, T. Ono, A. Brekke, C. Hall and T. L. Hansen

J. Geomag. Geoelectr.   Vol. 47   page： 771-782   1995

¹²CO and ¹³CO Observations toward two Small molecular clouds with luminous protostellar cardifates Reviewed

Dobashi, K., J.-P. Bernard, Y. Yonekura, S. Nozawa, S. Morimoto, P. Abraham, Y. Kumai, Y. Hayashi, and Y. Fukui

Duplications of the astronomical society of Japan.   Vol. 47   page： 837-843   1995

Samples of auroral E-region parameters derived from EISCAT experiments Reviewed

Brekke, A., S. Nozawa and M. Sato

J. Geomag. Geoelectr.   Vol. 47   page： 889-909   1995

Regional estimation of electric fields and currents in the polar ionosphere Reviewed

Sato, M., Y. Kamide, A.D. Richmond, A. Brekke and S. Nozawa

Geophysical Research letter   Vol. 22   page： 283-286   1995

A Molecular cloud and a CO outflow associated with IRAS 22134+5834(共著) Reviewed

Dobashi, K., S. Nozawa, Y. Hayashi, F. Sato, and Y. Fukui

The Astronomical Journal   Vol. 107   page： 2148-2152   1994

Studies of the E-region Neutral Wind in the Quiet Auroral Ionosphere(共著) Reviewed

Brekke, A., S. Nozawa and T. Sparr

Journal of Geophysical Research   Vol. 99   page： 8801-8825   1994

Observations of Ozone Mixing Ratio by Nagoya 4m Milimeterwave Telescope Reviewed

Kawabata, K., Y. Fukui, H. Ogawa, A. Mizuno, M. Fujimoto, S. Nozawa, H. Nakane, H. Hoko and Ji Yang

Journal of Geomagnetism and Geoelectricity   Vol. 44   page： 1085-1096   1992

A Study of ¹³CO cloud cores in Ophiuchus Reviewed

Nozawa, S. , A. Mizuno, Y. Teshima, H. Ogawa and Y. Fukui

Astrophysical Journal Supplement   Vol. 77   page： 647-675   1991

Velocity Split along the p Oph Streamer (North). Sprinning Streamer as "Angular Momentum Drain" from Massire cloud of Active Star Formation. Reviewed

Uchida, Y. , A. Mizuno, S. Nozawa and Y. Fukui

Publications of the Astronomical Society of Japan   Vol. 42   page： 69-83   1990

A Remarkable Multi-lobe Molecular Out flow p Oph-East associated with IRAS 16293-2422 Reviewed

Mizuno, A. , Y. Fukui, T. Iwata, S. Nozawa and T. Takano

Astrophysical Journal   Vol. 356   page： 184-194   1990

EISCAT_3Dレーダーの現状報告 International coauthorship

野澤悟徳, 小川泰信, Axel Steuwer

ISEE融合研究"Energetic Particle Chain"研究会  2024.2.21  名古屋大学宇宙地球環境研究所

A statistical study of static and dynamic instabilities between 80 and 100 km at high latitude MLT region above Tromsoe International coauthorship International conference

Satonori Nozawa, Norihito Saito, Takuya Kawahara, Satoshi Wada, Takuo T. Tsuda, Sakiho Maeda, Toru Takahashi, Hitoshi Fujiwara, Lakshmi Narayanan Viswanathan, Tetsuya Kawabata, and Magnar G. Johnsen

ISSI International Team #23-580 “Meteors and phenomena at the boundary between Earth's atmosphere and outer space”   2024.1.31  ISSI

VortExキャンペーン中における北極域MLT領域風速変動 International coauthorship

野澤 悟徳, 小川 泰信, 堤 雅基, Gerald Lehmacher

第154回地球電磁気・地球惑星圏学会総会  2023.9.24  地球電磁気・地球惑星圏学会

Summary of EISCAT observations during the VortEx campaign International coauthorship International conference

Satonori Nozawa, Gerald Lehmacher

JpGU2023  2023.5.26  JpGU

電離圏・下部熱圏・中間圏・EISCAT_3D & Na lidar International coauthorship

Satonori NOZAWA, Yasunobu Ogawa, Axel Steuwer

「Energetic Particle Chain-高エネルギー荷電粒子降り込みが中層・下層大気に及ぼす影響-」 ミニワークショップ  2023.4.20  名古屋大学

VortExロケット実験に呼応した乱流圏界面の研究

野澤悟徳

EISCAT研究集会  2023.3.23  国立極地研究所および名古屋大学

2022年度の EISCAT 特別実験の全体概要説明 International conference

野澤悟徳

EISCAT研究集会  2023.3.17  国立極地研究所、名古屋大学

EISCAT UHFレーダーとフォトメータ同時観測による降下電子エネルギー推定法の改善

野澤悟徳

EISCAT研究集会  2023.3.17  国立極地研究所、名古屋大学

The 10-year summary of the sodium lidar at Tromsø, and its future plan International coauthorship International conference

S. Nozawa, T. D. Kawahara, N. Saito, T. T. Tsuda, S. Wada, M. Tsutsumi, T. Takahashi, T. Kawabata, Y. Ogawa, H. Fujiwara, S. Suzuki, M. G. Johnsen, and A. Brekke

The Seventh International Symposium on Arctic Research (ISAR-7)  2023.3.8  JCAR and NIPR

トロムソNaライダーデータによる北極域MLT領域8時間と6時間大気波動の研究

第152回 SGEPSS総会および講演会  2022.11.5 

A statistical study of static and dynamic instabilities in the upper mesosphere region above Tromsø International coauthorship International conference

Satonori Nozawa, Norihito Saito, Takuya Kawahara, Satoshi Wada, Takuo T. Tsuda, Sakiho Maeda, Toru Takahashi, Hitoshi Fujiwara, Lakshmi Narayanan Viswanathan, Tetsuya Kawabata, and Magnar G. Johnsen

20th International EISCAT Symposium  2022.8.16  Swedish Institute of Space Physics (IRF), Stockholm University, and EISCAT scientific association

A study of 8 hr and 6 hr atmospheric waves in the polar upper mesosphere and lower thermosphere above Tromsoe by using sodium LIDAR temperature and wind data International conference

Satonori Nozawa, Chiaki Morikawa, Takuo T. Tsuda, Takuya Kawahara, Norihito Saito, Satoshi Wada, and Tetsuya Kawabata

JpGU2022  2022.5.26  JpGU

2021年度の EISCAT 特別実験の全体概要

野澤悟徳

EISCAT研究集会  2022.3.25  国立極地研究所および名古屋大学宇宙地球環境研究所

EISCAT UHFレーダーとフォトメータ同時観測による降下電子エネルギー推定法の改善

野澤悟徳

EISCAT研究集会  2022.3.25  国立極地研究所および名古屋大学宇宙地球環境研究所

Occurrence probabilities of atmospheric instabilities in the polar upper mesosphere above Tromsøoe, Norway International conference

Satonori Nozawa, Takuya Kawahara, Norihito Saito, Satoshi Wada, Takuo Tsuda, and Tetsuya Kawabata

15TH QUADRENNIAL SOLAR-TERRESTRIAL PHYSICS SYMPOSIUM (STP-15)  2022.2.22  SCOSTEP

Study of atmospheric instabilities in the polar upper mesosphere between 80 and 105 km above Tromsoe

Satonori Nozawa, Takuya Kawahara, Norihito Saito, Satoshi Wada, Takuo Tsuda, and Tetsuya Kawabata

The 12th Symposium on Polar Science  2021.11.17 

Atmospheric instabilities in the polar upper mesosphere (2) International coauthorship

2021.11.2 

Atmospheric instabilities in the polar upper mesosphere International coauthorship International conference

Satonori Nozawa, Sakiho Maeda, Takuya Kawahara, Norihito Saito, Satoshi Wada, Takuo Tsuda, Toru Takahashi,Tetsuya Kawabata and Chris Hall

Japan Geoscience Union Meeting 2021  2021.6.4  JpGU

下部熱圏大気ダイナミクス

野澤悟徳

EISCAT研究集会  2021.3.25  名古屋大学宇宙地球環境研究所および国立極地研究所

2020年度の EISCAT 特別実験の全体概要

野澤悟徳

EISCAT研究集会  2021.3.17  名古屋大学宇宙地球環境研究所および国立極地研究所

ナトリウムライダーの今後の展望～EISCAT_3Dとの同時観測に向けて～

野澤悟徳、斎藤徳人、川原琢也、津田卓雄、川端哲也

EISCAT研究集会  2021.3.17  名古屋大学宇宙地球環境研究所および国立極地研究所

地球熱圏・中間圏・電離圏の地上観測手法（EISCAT_3D・ライダー等）

野澤悟徳

宇宙地球結合系における物理機構・素過程に関する統合的研究形態・体系の構築・推進  2021.3.17  名古屋大学宇宙地球環境研究所

Statistical study of Sporadic Sodium Layer (SSL) in the polar MLT region International coauthorship

Satonori Nozawa, Takuo T. Tsuda, Norihito Saito, Takuya Kawahara, Satosi Wada, Yasunobu Ogaw, Hitoshi Fujiwara, Toru Takahashi, Tetsuya Kawabata, Chris Hall, and Asgeir Brekke

The 11th Symposium on Polar Science  2020.12.3 

Statistical study of Sporadic Sodium Layers (SSLs) above Tromsoe (3) International coauthorship

Satonori Nozawa, Takuo T. Tsuda, Norihito Saito, Takuya Kawahara, Satosi Wada, Yasunobu Ogawa, Hitoshi Fujiwara, Toru Takahashi, Tetsuya Kawabata

2020.11.2 

Statistical study of Sporadic Sodium Layers (SSLs) above Tromsoe (2) International coauthorship International conference

Satonori Nozawa, Takuo T. Tsuda, Norihito Saito, Takuya Kawahara, Satosi Wada, Yasunobu Ogawa, Hitoshi Fujiwara, Toru Takahashi, Tetsuya Kawabata, Chris Hall, Asgeir Brekke

JpGU-AGU Joint Meeting  2020.7.16 

Statistical study of Sporadic Sodium Layer (SSL) observed at the high latitude station at Tromsoe International coauthorship International conference

Satonori Nozawa, Takuo T. Tsuda, Norihito Saito, Toru Takahashi, Takuya Kawahara, Yasunobu Ogawa, Hitoshi Fujiwara, Satoshi Wada, Tetsuya Kawabata, Chris Hall, and Asgeir Brekke

The 10th Symposium on Polar Science  2019.12.4  NIPR

Statistical study of Sporadic Sodium Layer (SSL) observed at Tromsoe International coauthorship International conference

Satonori Nozawa, Takuo T. Tsuda, Norihito Saito, Toru Takahashi, Takuya Kawahara, Yasunobu Ogawa, Hitoshi Fujiwara, Satoshi Wada, Ogawa Youhei, Chris Hall, and Asgeir Brekke

JpGU2019  2019.5.29  JpGU

Activities and plans: Nagoya University International conference

Satonori Nozawa

Mesospheric Dust – Project Meeting  2019.3.14  UiT The Arctic University of Norway

Statistical study of sporadic sodium layer (SSL) using the sodium LIDAR at Tromsoe International conference

Satonori NOZAWA

Mesospheric Dust – Project Meeting  2019.3.15  UiT The Arctic University of Norway

EISCAT_3D計画に関する国際状況説明と日本の取り組み

野澤悟徳

EISCAT研究集会  2019.3.1  名古屋大学、国立極地研究所

ナトリウムライダーとEISCAT VHFレーダー同時観測による極域下部熱圏・上部中間圏鉛直風の研究

野澤悟徳

EISCAT研究集会  2019.3.1  名古屋大学、国立極地研究所

2018年度の特別実験のまとめ

野澤悟徳

EISCAT研究集会  2019.3.1  名古屋大学、国立極地研究所

Horizontal temperature gradients in the polar MLT region International coauthorship International conference

Satonori Nozawa, Yasunobu Ogawa, Hiroshi Fujiwara, Takuo Tsuda, Takuya D. Kawahara, Norihito Saito, Satoshi Wada, Tetsuya Kawabata, Toru Takahashi, Masaki Tsutsumi, Chris Hall, and Asgeir Brekke

The Ninth Symposium on Polar Science  2018.12.5  NIPR

Horizontal temperature gradients in the polar MLT region above Tromsoe using sodium LIDAR data International coauthorship

Satonori Nozawa, Yasunobu Ogawa, Hiroshi Fujiwara, Takuo Tsuda, Takuya D. Kawahara, Norihito Saito, Satoshi Wada, Tetsuya Kawabata, Toru Takahashi, Masaki Tsutsumi, Chris Hall, and Asgeir Brekke

2018.11.26  SGEPSS

トロムソに設置した５波長フォトメータを用いた北極域変動研究

野澤悟徳、川端哲也、細川敬祐、小川泰信、藤井良一

脈動オーロラ研究集会  2018.10.31  名古屋大学

トロムソに設置した５波長フォトメータを用いた北極域変動研究

野澤悟徳、川端哲也、細川敬祐、小川泰信、藤井良一

MTI研究集会  2018.9.12  名古屋大学、情報通信研究機構、京都大学

Horizontal temperature gradients in the polar upper mesosphere and lower thermosphere above Tromsoe International coauthorship International conference

Satonori Nozawa, Takuya D. Kawahara, Takuo Tsuda, Hiroshi Fujiwara, Norihito Saito, Satoshi Wada, Yasunobu Ogawa, Toru Takahashi, Yasunobu Miyoshi, Chris Hall, and Asgeir Brekke

JpGU2018  2018.5.21  JpGU

EISCAT_3Dレーダーを中心とした国内・国際共同研究の推進

野澤悟徳、宮岡宏、小川泰信

極域における宙空圏観測・研究の将来構想に関する研究集会  2018.5.8  国立極地研究所

ライダー、レーダー、ミリ波分光計による北極域大気上下結合の研究

野澤悟徳、水野亮、中島拓、川端哲也、川原琢也、斎藤徳人、和田智之、津田卓雄、小川泰信、堤　雅基、高橋透、藤原　均

極域における宙空圏観測・研究の将来構想に関する研究集会  2018.5.8  国立極地研究所

ライダーおよびレーダーによる北極域大気上下結合の研究

野澤悟徳、水野亮、中島拓、川端哲也、川原琢也、斎藤徳人、和田智之、津田卓雄、小川泰信、堤　雅基、高橋透、藤原　均

JCAR第一回北極研究計画WS  2018.4.12  JCAR

EISCAT_3Dレーダーを用いた日本の研究計画

野澤悟徳

EISCAT研究集会  2018.3.6  国立極地研究所および名古屋大学

Studies of the polar lower thermosphere and mesosphere based on simultaneous observations of EISCAT radars and a sodium LIDAR International coauthorship International conference

S. Nozawa, T. D. Kawahara, Y. Ogawa, N. Saito, T. T. Tsuda, T. Takahashi, S. Wada, H. Fujiwara, M. Tsutsumi, C. Hall, T. Kawabata, A. Brekke

The Eighth Symposium on Polar Science  2017.12.5  NIPR

Vertical motion of the neutral atmosphere in the winter polar MLT region using the sodium LIDAR at Tromsoe International coauthorship

S. Nozawa, T. Tsuda, Y. Ogawa, H. Fujiwara, T. D. Kawahara, N. Saito, S. Wada, T. Takahashi, M. Tutumi, T. Kawabata, C. Hall, A. Brekke

2017.11.17 

National EISCAT science case and user community in Japan International conference

S. Nozawa

EISCAT_3D kickoff meeting  2017.9.8  UiT The Arctic University of Norway

Vertical motion of the neutral atmosphere above Tromsoe International coauthorship International conference

S. Nozawa, T. Kawahara, T. Tsuda, Y. Ogawa, H. Fujiwara, N. Saito, S. Wada, T. Takahashi, M. Tutumi, C. Hall, A. Brekke

The 18th EISCAT international symposium  2017.5.26  NIPR, Nagoya University, and EISCAT scientific association

Vertical motion of the neutral atmosphere above Tromsoe International coauthorship International conference

S. Nozawa, T. Kawahara, T. Tsuda, Y. Ogawa, H. Fujiwara, N. Saito, S. Wada, T. Takahashi, M. Tutumi, C. Hall, A. Brekke

JpGU2017  2017.5.24  JpGU

磁気圏―電離圏―熱圏結合過程における中性大気の応答

野澤悟徳

GEMSIS-太陽、磁気圏、電離圏ワークショップ2010：　ジオスペースにおける多圏間相互作用と高エネルギー粒子生成・消滅機構 

新トロムソナトリウムライダーの初期結果

野澤悟徳

EISCAT研究集会 

DELTA2キャンペーン概要～EISCATレーダー観測を中心に～

野澤悟徳

EISCAT研究集会 

New sodium LIDAR at Tromso International conference

ISSI meeting ID152 

Tides, mean winds and quasi-two day wave in the MLT using the meteor radar at Bear Island International conference

ISSI meeting ID152 

Research on the upper atmosphere using EISCAT radars and a new Sodium LIDAR in northern Norway

2010 STEL-KASI Workshop on Space Weather 

EISCATレーダーを中心に用いた北欧における極域下部熱圏・中間圏の研究

野澤悟徳、小川泰信、大山伸一郎、宮岡宏、川原琢也、津田卓雄

CAWSES-IIキックオフシンポジウム 

トロムソ拠点観測～ナトリウムライダーの初期結果

野澤悟徳, 川原琢也, 津田卓雄, 川端哲也, 大山伸一郎, 藤井良一, 塩川和夫, 小川泰信, 斎藤徳人, 和田智之, Brekke Asgeir, Hall Chris M

日本地球惑星科学連合2010年大会 

EISCAT 3Dを用いたサイエンス

野澤悟徳、宮岡　宏、小川泰信、大山伸一郎

2009年度EISCAT関連研究集会 

次世代欧州非干渉散乱レーダー計画

野澤悟徳、宮岡　宏、小川泰信、大山伸一郎、藤井良一、佐藤夏雄

第33回極域宙空圏シンポジウム 

Development of the new sodium LIDAR to be installed at Tromsø: part 1~Science targets and overview of the project~

第33回極域宙空圏シンポジウム 

Research on the wind dynamics in the polar lower thermosphere by using EISCAT longrun datasets obtained in September 2005 International conference

ISSI meeting ID152 

トロムソ拠点観測～ナトリウムライダーの開発～

野澤悟徳、川原琢也、津田卓雄、川端哲也、大山伸一郎、藤井良一、塩川和夫、小川泰信,斎藤徳人、和田智之、Brekke Asgeir、Hall Chris M、

地球電磁気・地球惑星圏学会第126回講演会 

Initial reports of DELTA-2 rocket campaign: results from the EISCAT radar observations International conference

the 14th International EISCAT Workshop 

DELTA2ロケットキャンペーン速報：EISCATレーダーの観測結果

野澤悟徳、小川泰信、大山伸一郎、堤雅基、藤井良一

日本地球惑星科学連合2009年大会 

DELTA-2キャンペーン速報：EISCAT運用に関して

野澤悟徳、小川泰信

北欧における拠点形成～新北極ナトリウム温度ライダー～

野澤悟徳

ナトリウム温度ライダーとレーダーを用いた中間圏・下部熱圏同時観測に関する研究集会 

Summary of meteor radars and MF radar observations in northern Scandinavia International conference

ISSI meeting ID152 

Research on the wind dynamics in the polar lower thermosphere by using EISCAT longrun datasets obtained in September 2005 International conference

ISSI meeting ID152 

北欧における３つの流星レーダーを用いた極域下部熱圏・中間圏の研究

野澤悟徳、堤 雅基、小川泰信、大山伸一郎、藤井良一、麻生武彦、Brekke Asgeir, Hall Chris M.

第124回地球電磁気・地球惑星圏学会講演会 

Research on the wind dynamics in the polar lower thermosphere by using EISCAT longrun datasets obtained in September 2005

Study on polar ionosphere-magnetosphere coupling 

北極域における各種レーダーを用いた極域下部熱圏・中間圏の研究

極地研究所 

トロムソMFレーダーグループ、北欧における各種レーダーを用いた極域下部熱圏・中間圏の研究

野澤悟徳、小川泰信

日本EISCATグループの「中期計画」について

野澤悟徳

国立極地研究所 

STE研の北欧域光学及び各種レーダー観測の現状報告と今後の計画

野澤悟徳、大山伸一郎

EISCAT レーダーを軸とした北極超高層研究観測国際研究小集会 

熱圏温度ライダーの開発と地上温度変化の高精度モニタリングへの展開

Grant number：23H03532  2023.4 - 2027.3

科学研究費助成事業  基盤研究(B)

斎藤 徳人, 野澤 悟徳, 津田 卓雄

Comprehensive understanding of unique atmospheric chemical and physical processes on Titan and Neptune using high-precision observations of ALMA

Grant number：21H01142  2021.4 - 2026.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

極域大気レーザセンシング：中性大気温度風速の下部熱圏観測・年間観測への進化

Grant number：21H04516  2021.4 - 2026.3

日本学術振興会  科学研究費助成事業  基盤研究(A)

川原 琢也, 高橋 透, 野澤 悟徳, 斎藤 徳人, 津田 卓雄

Study of latitudinal coupling of upper atmospheric variations based on multi-point ground network observations

Grant number：21H04518  2021.4 - 2026.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

静止軌道衛星ひまわりを活用した夜光雲の特性量推定と地上光学連携観測による検証

Grant number：21H01144  2021.4 - 2025.3

日本学術振興会  科学研究費助成事業  基盤研究(B)

津田 卓雄, 安藤 芳晃, 鈴木 秀彦, 西山 尚典, 野澤 悟徳, 斎藤 徳人, 川原 琢也, 細川 敬祐, 穂積 裕太

国際宇宙ステーションから宇宙飛行士がデジカメで撮影した画像のオーロラ研究への活用

Grant number：20K20940  2020.7 - 2023.3

日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

細川 敬祐, 野澤 悟徳, 津田 卓雄

Study of the influence of energetic particle precipitation on atmospheric environment in both polar regions

Grant number：19H01952  2019.4 - 2022.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

Mizuno Akira

Advanced atmospheric temperature measurement techniques using radar meteor echoes

Grant number：16K13888  2016.4 - 2018.3

Tsutsumi Masaki

Upper atmospheric physics

2020

物理学概論１

2020

超高層大気物理学

2019

太陽地球系科学

2019

Space Science Seminar 1

2019

Solar-terrestrial science

2009

The upper atmospheric physics

2009

宇宙の科学

2018.4 - 2018.9 （Aichi University）

宇宙の科学

2017.4 - 2017.9 （Aichi University）

宇宙の科学

2016.4 - 2016.9 （Aichi University）